function A($param){
  if('condition')
    A($param_son);
  else
    return $result;
}

$file_open = file($file);

<?php
/**
 * Created by PhpStorm.
 * User: kung
 * Date: 2015/10/16
 * Time: 16:12
 */
 
function get_file_dir($dir){
  $dir_arr = scandir($dir);
  $file_arr = array();
  foreach($dir_arr as $dir_one){
    if(is_dir($dir.DIRECTORY_SEPARATOR.$dir_one) && $dir_one != '.' && $dir_one != '..'){
      $file_arr_son = get_file_dir($dir.DIRECTORY_SEPARATOR.$dir_one);
      $file_arr = array_merge($file_arr,$file_arr_son);
    }else{
      if($dir_one == '.' || $dir_one == '..' || strpos($dir_one,'.php') <= 0)
        continue;
      $file_arr[] = $dir.DIRECTORY_SEPARATOR.$dir_one;
    }
  }
  return $file_arr;
}
 
$dir = dirname(__FILE__);
$file_arr = get_file_dir($dir);
$count = 0; //計算換行
$clean_count = 0;//不計算換行
foreach($file_arr as $file){
  $file_open = file($file);
  $line_count = count($file_open);
  $count += $line_count;
  foreach($file_open as $file_val){
    if($file_val == PHP_EOL)/*if(nl2br($file_val) == '<br />'想通過這種方式，但是發(fā)現(xiàn)不可行,用var_dump(nl2br($file_val))進行打印,復制才可以*/
      continue;
    $clean_count++;
 
  }
}
echo $count.'-----'.$clean_count;